Occupants: Hymenoptera such as wild bees, sand wasps and common wasps. All the species that will use these nesting aids are peaceful and completely harmless to humans and pets. Hymenoptera are of major ecological and agricultural importance and have an important part to play as pollinators. Put in a sunny place which is proteced from wind and rain (e.g. garden walls and shed, trellis, balconies up to 4th floor). Should be left out in winter, too. Maintenance-free, do not clean. Made of wood-concrete with metal loop for hanging up. Size 14 x 8 x 26 cm.